Abstract
Iandumoema setimapocu sp.n. is described from the cave Lapa do Zu, Coraao de Jesus, Minas Gerais State, Brazil. The new species is closely related to Iandumoema uai Pinto-da-Rocha, 1996 in the subfamily Pachylinae, from which it differs by the following features: Male femur IV straight; the male apophysis on coxa IV directed obliquely backward; eyes depigmented; tubercles on femur IV close to each other, separated by about one diameter; male pedipalpal tibia with ectal setae IiiIi; lack of median setae on ventral plate of penis. Iandumoema is the first exclusively troglobitic genus of Opiliones in Brazil that contains two species.References
Acosta, L.E. (1996) An emendation of the generic concept of Pachyloides, with the description of a new species (Opiliones, Gonyleptidae, Pachylinae). Revue suisse de Zoologie, hors séries, 5–14. Proceedings of the XIIIth International Congress of Arachnology, Geneva, 3–8 September 1995.
Acosta, L.E., Pérez-Gonzalez, A. & Tourinho, A.L. (2007) Chapter 15: Methods and Techniques of Study: Methods for taxonomic study. In: Machado, G., Pinto-da-Rocha, R. &. Giribet, G. (Eds), Harvestmen, the biology of Opiliones. Harvard University Press, Cambridge, Massachusetts and London, pp. 494–505.
Cruz, F.W.Jr., Burns, S.J., Karmann, I., Sharp, W.D., Vuille, M., Cardoso, A.O., Ferrari, J.A., Dias, P.L.S. & Viana, O.Jr. (2005) Insolation-driven changes in atmospheric circulation over the past 116,000 years in subtropical Brazil. Nature, 434, 63–66.
Curtis, D.J. & Machado, G. (2007) Chapter 7: Ecology. In: Machado, G., Pinto-da-Rocha, R. &. Giribet, G. (Eds), Harvestmen, the biology of Opiliones. Harvard University Press, Cambridge, Massachusetts and London, pp. 280–308.
Gnaspini, P. & Trajano, E. (1994) Brazilian cave invertebrates, with a checklist of troglomorphic taxa. Revista brasileira de Entomologia, 38 (3/4), 549–584.
Holsinger, J. R. & Culver, D.C. (1988) The invertebrate cave fauna of Virginia and a part of Eastern Tennessee: Zoogeography and ecology. Brimleyana, 14, 1–162.
Kury, A.B. (2003) Annotated catalogue of the Laniatores of the New World (Arachnida, Opiliones). Revista Ibérica de Aracnología, vol. esp. monográfico no 1, 5–337.
Kury, A.B. (in press) Two new troglomorph Pachylinae (Opiliones, Laniatores, Gonyleptidae) from caves in Bahia, Brazil. Studies on Neotropical fauna and Environment.
Kury, A.B. & Pinto-da-Rocha, R. (1997) Notes on the Brazilian harvestmen genera Progonyleptoidellus Piza and Iporangaia Mello-Leitão (Opiliones: Gonyleptidae). Revista brasileira de Entomologia, 41,109–115.
Machado, G. & Macías-Ordóñez, R. (2007) Chapter 12: Reproduction. In: Machado, G., Pinto-da-Rocha, R. &. Giribet, G. (Eds), Harvestmen, the biology of Opiliones. Harvard University Press, Cambridge, Massachusetts and London, pp. 414–454.
Ministério do Meio Ambiente (2003) Lista de espécies da fauna brasileira ameaçadas de extinção. Anexo à Instrução Normativa no 3, de 27 de maio de 2003, do Ministério do Meio Ambiente. Available from: http://www.ibama.gov.br/fauna/downloads/lista%20spp.pdf (accessed 06 March 2008).
Pérez-González, A. & Kury, A.B. (2002) A new remarkable troglomorphic gonyleptid from Brazil (Arachnida, Opiliones, Laniatores). Revista Ibérica de Aracnologia, 5, 43–50.
Pinto-da-Rocha, R. (1990) Stenostygnoides caliginosus sp.n., primeiro registro de Stygnidae cavernícola (Opiliones: Laniatores). Boletim do Museu paraense Emílio Goeldi, série Zoologia, 6 (2), 121–127.
Pinto-da-Rocha, R. (1995) Sinopse da fauna cavernícola do Brasil (1907–1994). Papéis avulsos do Departamento de Zoologia, 39 (6), 61–173.
Pinto-da-Rocha, R. (1996) Iandumoema uai, a new genus and species of troglobitic harvestman from Brazil (Arachnida: Opiliones; Gonyleptidae). Revista brasileira de Zoologia, 13 (4), 843–848.
Pinto-da-Rocha, R. (2002) Systematic review and cladistic analysis of the Caelopyginae (Opiliones, Gonyleptidae). Arquivos de Zoologia, 36, 357–464.
Pinto-da-Rocha, R., Sessegolo, G. & Sipinski, E. (2001) A fauna das Grutas de Botuverá, Santa Catarina, Brasil. In: Rocha, L.F.S., Oliveira, K.L. & Sessegolo, G.C. (Eds), Conservando Cavernas: Quinze anos de Espeleologia. GEEP-Açungui, Curitiba, pp. 135–153.
Šilhavý, V. (1974) A new subfamily of Gonyleptidae from Brazilian caves, Pachylospeleinae subfam. n. (Op. Gon.). Revue suisse de Zoologie, 81 (4), 893–898.
Soares, B.A.M. & Soares, H.E.M. (1947) Opiliões pertencentes à coleção Gert Hatschbach (Opiliones - Gonyleptidae, Phalangodidae, Phalangiidae). Papéis Avulsos do Departamento Zoologia do Estado de São Paulo, 8 (18), 209–230.
Soares, H.E.M. (1966) Novos opiliões da coleção “Otto Schubart” (Opiliones: Cosmetidae, Gonyleptidae, Phalangodidae). Papéis Avulsos do Departamento Zoologia do Estado de São Paulo, 18 (11), 103–115.
Trajano, E. (1995) Evolution of tropical troglobites: applicability of the model of Quaternary climatic fluctuations. Mémoires de Biospéologie, 22, 203–209.
Trajano, E. (2005) Evolution of Lineages. In: Culver, D. & White, W. (Eds), The Encyclopedia of Caves. Academic Press, San Diego, pp. 230–234.
Trajano, E. (2007) The challenge of estimating the age of subterranean lineages: examples from Brazil. Acta Carsologica, 36 (1), 191–198.
Wang, X.F., Auler, A.S., Edwards, R.L., Cheng, H., Cristalli, P.S., Smart, P.L., Richards, D.A. & Shen, C.C. (2004) Wet periods in northeastern Brazil over the past 210 kyr linked to distant climate anomalies. Nature, 432, 740–743.
Wang, X.F., Edwards, R.L., Auler, A.S., Cheng, H. & Ito, E. (2007) Millennial-scale interhemispheric asymmetry of low latitude precipitation: speleothem evidence and possible high-latitude forcing. In: Schmittner, A., Chiang, J. & Hemmings, S. (Eds), Ocean Circulation: Mechanisms and Impacts. AGU Monograph Series, Volume 173, pp. 279–294.